US20080317568A1 - Garbage truck and self-contained loading and unloading system therefor - Google Patents
Garbage truck and self-contained loading and unloading system therefor Download PDFInfo
- Publication number
- US20080317568A1 US20080317568A1 US11/821,187 US82118707A US2008317568A1 US 20080317568 A1 US20080317568 A1 US 20080317568A1 US 82118707 A US82118707 A US 82118707A US 2008317568 A1 US2008317568 A1 US 2008317568A1
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- Prior art keywords
- garbage
- slats
- particulate material
- container
- reciprocating
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- 239000011236 particulate material Substances 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 8
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F3/00—Vehicles particularly adapted for collecting refuse
- B65F3/24—Vehicles particularly adapted for collecting refuse with devices for unloading the tank of a refuse vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F3/00—Vehicles particularly adapted for collecting refuse
- B65F3/14—Vehicles particularly adapted for collecting refuse with devices for charging, distributing or compressing refuse in the interior of the tank of a refuse vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F3/00—Vehicles particularly adapted for collecting refuse
- B65F3/14—Vehicles particularly adapted for collecting refuse with devices for charging, distributing or compressing refuse in the interior of the tank of a refuse vehicle
- B65F3/20—Vehicles particularly adapted for collecting refuse with devices for charging, distributing or compressing refuse in the interior of the tank of a refuse vehicle with charging pistons, plates, or the like
- B65F3/201—Vehicles particularly adapted for collecting refuse with devices for charging, distributing or compressing refuse in the interior of the tank of a refuse vehicle with charging pistons, plates, or the like the charging pistons, plates or the like moving rectilinearly
Definitions
- This invention relates to particulate material hauling, and more particularly to a self-contained garbage loading and unloading system capable of removable installation in a truck container.
- Conventional garbage trucks incorporate the structural components by which garbage is received in the garbage truck container and compacted to minimum bulk and finally discharged from the container at a garbage disposal site.
- the many structural components are required to be installed in each truck, so the cost of components and labor is high and is maximized by the time required for manufacture and installation.
- the present invention provides a self-contained particulate product loading and unloading system that enables the conversion of an empty truck container to a complete, fully operative particulate product handling truck simply by installing the self-contained system of this invention in the empty truck container.
- the self-contained system of this invention is producible by high speed factory assembly, at minimum cost, and requires minimum skill and physical effort in manually placing the integrated system in the truck container and securing it in operative position.
- the primary objective of this invention is to provide a self-contained particulate material loading and unloading system capable of removable installation in the empty container of a conventional truck.
- Another objective of this invention is the provision of a self-contained loading and unloading system produced economically by factory assembly and capable of manual installation in an empty container of a truck, with speed and facility.
- a further objective of this invention is to provide a self-contained particulate material loading and unloading system that includes means for shielding the structure of the system from particulate material fed into the empty container of a truck and for assisting the unloading of particulate material from the container.
- Still another objective of this invention is the provision of a self-contained particulate material loading and unloading system capable of ready installation in a closed top truck container of substantial length for handling large amounts of particulate material from several smaller containers for transport to a disposed site.
- FIG. 1 is a side elevation of a conventional garbage truck, for illustration.
- FIG. 2 is a fragmentary side elevation, partially broken away, with the rear door of the container compartment open to permit access to the interior of the container for installation of the self-contained garbage handling system, the system being shown at an intermediate position of manual installation into the container.
- FIG. 3 is a fragmentary side elevation of the garbage truck of FIG. 1 , a portion of the side of the truck container being broken away to disclose details of construction of the self-contained loading and unloading system of this invention, with the components of a reciprocating floor having begun loading the container with garbage.
- FIG. 4 is a fragmentary side elevation, similar to FIG. 3 with the garbage moving components in a position advanced from the starting position of FIG. 3 and showing in broken lines the system having filled the container with garbage and ready for off-loading at a garbage dump site.
- FIG. 5 is a horizontal section taken on the line 5 - 5 in FIG. 3 illustrating the structural configuration of a reciprocating floor for effecting loading of garbage into the container and off-loading garbage at a disposal site.
- FIG. 6 is a fragmentary side elevation, partly broken away as in FIG. 3 , to disclose structural details of a modification of the system shown in FIG. 3 .
- FIG. 7 is a fragmentary side elevation, as in FIG. 6 , showing the structural components in an intermediate position of operation, analogous to FIG. 4 .
- FIG. 1 illustrates a conventional garbage hauling truck 10 having a chassis 12 supported on wheels 14 and provided with a cab 16 housing an engine for propelling the truck, and a driver's compartment, and an elongated container 18 for filling with garbage to be hauled to a disposal site.
- the container 18 has a floor 20 , a front wall 22 and a hinged rear discharge door 24 .
- An infeed side opening 26 in the container serves to accept garbage from conventional garbage cans 28 .
- a can is grasped by a hydraulic lifter 30 on the truck and lifted arcuately upward and inward through the side opening 26 as it is up-ended to discharge its contents into the container 18 .
- the container preferably has a closed top to avoid expelling garbage to the streets.
- FIGS. 2-5 of the drawings employs a reciprocating conveyor floor for moving garbage from its site of introduction into the container 18 through side opening 26 and thence toward and ultimately through the rear door 24 .
- the reciprocating floor includes a supporting base 32 , 32 ′ for a plurality of elongated slats arranged side-by-side across the width of the container floor 20 and forming a plurality of groups of slats 34 , 36 , 38 disposed parallel to each other and extending longitudinally within the container 18 .
- Transverse beams 40 , 42 , 44 secure the slats of each group together for movement between retracted and extended positions, as by hydraulic drive cylinders 46 , 48 , 50 coupled to transverse beams 40 , 42 , 44 by drive rods 52 , 54 , 56 , respectively.
- the drive cylinders are coupled to a source of hydraulic fluid pressure, through selector valves, by any of a variety of selected control systems, examples of which are described in my earlier issued U.S. Pat. Nos. 3,534,875; 4,144,963; 4,691,819; 4,856,645; 4,966,275; 5,263,573; and 6,513,648. These patents are made part of this application by reference.
- the hydraulic fluid pressure drive cylinders 46 , 48 , 50 and their control system 58 are located in the front end portion of the garbage truck container 18 , adjacent front wall 22 , and are shielded from incoming garbage at the infeed side opening 26 , by a combination garbage shield and garbage pusher 60 which extends the full width of floor 20 and is secured by anchors 62 to the horizontal bottom portions to the slat 38 of each group of slats.
- the sloping section 64 shields against incoming garbage encroaching upon the drive mechanism, and the vertical leading pusher section 66 serves to pack and push garbage toward the rear door 24 as the floor slats are moved in that direction, as explained hereinafter.
- garbage is picked up at the various sites of garbage cans 28 , where each can is grasped by the hydraulic lifter 30 and lifted upward and inward through the side opening 26 as it is upended to deposit its content of garbage into the dump truck container 18 , onto the sloping section 64 of the combination shield and pusher 60 .
- the reciprocating conveyor slats 34 , 36 , 38 are driven by control system 58 to move slats 34 and 36 sequentially and then all three slats of the groups of slats simultaneously toward the rear door 24 , moving the garbage on the conveyor slats with them.
- the control system 58 operates to stop the movement of slats 38 and to initiate rearward, retracting movement of one of the slats 34 of each group of slats, at a higher rate of speed, to its fully retracted position, and then initiates retraction of the other group of slats 36 , also at the higher rate of speed, to their fully retracted position. Finally, slats 38 of all groups of slats are retracted, to complete full retraction of all slats.
- This sequence of operation of the three groups of slats effectively returns all slats to their newly advanced starting positions.
- the load of garbage does not move rearward because the load rests upon two of the three slats of each group that are not moving at all.
- the cycle of operation of the slats is completed and the next cycle of operation is initiated by movement of all three slats of each group in the direction in which the garbage is moved toward the rear door 24 .
- Continued operation of the three slats of each group results in moving garbage continuously toward the rear door until the container 18 has been filled with compacted garbage, as suggested by the broken lines in FIG. 4 .
- the load of garbage then is taken to a disposal site where the rear door 24 is opened and the reciprocating conveyor is operated on the continuous cycle disclosed above, to discharge the garbage from the truck.
- FIGS. 6 and 7 discloses a modification of the combination garbage shield and garbage pusher 60 of the first embodiment, in the form of a separate end segment 70 , to eliminate the possibility of garbage entering the space under the shield and pusher 60 through the gap between the front wall 22 and the trailing section 68 ( FIG. 4 ).
- the sloping section 64 registers with sloping section 72 of separate end segment 70 .
- the section 72 terminates in vertical end section 74 .
- the section 72 also merges with horizontal lower section 76 extending from the lower end of sloping section 72 .
- the end section 74 and free end of section 76 are configured to be secured, as by welding, bolts, screws, etc., to the front wall 22 .
- a flexible sealing member 78 extends the full width of the container 18 and is secured adjacent the juncture of sections 72 and 76 .
- the free edge of member 78 extends into sliding engagement with horizontal extension 64 ′ to preserve the seal during movement of the shield and pusher 60 with the conveyor slats 38 .
- a load-trapping member 80 projects from the upper end of load pusher section 66 to maximize the accumulation of garbage against the section 66 .
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuse Collection And Transfer (AREA)
- Reciprocating Conveyors (AREA)
Abstract
Description
- This invention relates to particulate material hauling, and more particularly to a self-contained garbage loading and unloading system capable of removable installation in a truck container.
- Conventional garbage trucks incorporate the structural components by which garbage is received in the garbage truck container and compacted to minimum bulk and finally discharged from the container at a garbage disposal site. The many structural components are required to be installed in each truck, so the cost of components and labor is high and is maximized by the time required for manufacture and installation.
- In its basic concept, the present invention provides a self-contained particulate product loading and unloading system that enables the conversion of an empty truck container to a complete, fully operative particulate product handling truck simply by installing the self-contained system of this invention in the empty truck container. The self-contained system of this invention is producible by high speed factory assembly, at minimum cost, and requires minimum skill and physical effort in manually placing the integrated system in the truck container and securing it in operative position.
- The primary objective of this invention is to provide a self-contained particulate material loading and unloading system capable of removable installation in the empty container of a conventional truck.
- Another objective of this invention is the provision of a self-contained loading and unloading system produced economically by factory assembly and capable of manual installation in an empty container of a truck, with speed and facility.
- A further objective of this invention is to provide a self-contained particulate material loading and unloading system that includes means for shielding the structure of the system from particulate material fed into the empty container of a truck and for assisting the unloading of particulate material from the container.
- Still another objective of this invention is the provision of a self-contained particulate material loading and unloading system capable of ready installation in a closed top truck container of substantial length for handling large amounts of particulate material from several smaller containers for transport to a disposed site.
- These and other objects and advantages of this invention will appear from the following detailed description taken in conjunction with the accompanying drawings of a preferred embodiment.
-
FIG. 1 is a side elevation of a conventional garbage truck, for illustration. -
FIG. 2 is a fragmentary side elevation, partially broken away, with the rear door of the container compartment open to permit access to the interior of the container for installation of the self-contained garbage handling system, the system being shown at an intermediate position of manual installation into the container. -
FIG. 3 is a fragmentary side elevation of the garbage truck ofFIG. 1 , a portion of the side of the truck container being broken away to disclose details of construction of the self-contained loading and unloading system of this invention, with the components of a reciprocating floor having begun loading the container with garbage. -
FIG. 4 is a fragmentary side elevation, similar toFIG. 3 with the garbage moving components in a position advanced from the starting position ofFIG. 3 and showing in broken lines the system having filled the container with garbage and ready for off-loading at a garbage dump site. -
FIG. 5 is a horizontal section taken on the line 5-5 inFIG. 3 illustrating the structural configuration of a reciprocating floor for effecting loading of garbage into the container and off-loading garbage at a disposal site. -
FIG. 6 is a fragmentary side elevation, partly broken away as inFIG. 3 , to disclose structural details of a modification of the system shown inFIG. 3 . -
FIG. 7 is a fragmentary side elevation, as inFIG. 6 , showing the structural components in an intermediate position of operation, analogous toFIG. 4 . -
FIG. 1 illustrates a conventionalgarbage hauling truck 10 having achassis 12 supported onwheels 14 and provided with acab 16 housing an engine for propelling the truck, and a driver's compartment, and anelongated container 18 for filling with garbage to be hauled to a disposal site. - Referring first to
FIG. 2 of the drawings, thecontainer 18 has afloor 20, afront wall 22 and a hingedrear discharge door 24. An infeed side opening 26 in the container serves to accept garbage fromconventional garbage cans 28. A can is grasped by ahydraulic lifter 30 on the truck and lifted arcuately upward and inward through the side opening 26 as it is up-ended to discharge its contents into thecontainer 18. The container preferably has a closed top to avoid expelling garbage to the streets. - It is to be understood that other types of trucks also may be used, the only requirement being a
discharge door 24 and agarbage inlet 26 in the container 8. In some garbage trucks the garbage is fed into the truck container through therear door 24. - The embodiment illustrated in
FIGS. 2-5 of the drawings employs a reciprocating conveyor floor for moving garbage from its site of introduction into thecontainer 18 through side opening 26 and thence toward and ultimately through therear door 24. The reciprocating floor includes a supportingbase container floor 20 and forming a plurality of groups ofslats container 18.Transverse beams hydraulic drive cylinders transverse beams drive rods - The drive cylinders are coupled to a source of hydraulic fluid pressure, through selector valves, by any of a variety of selected control systems, examples of which are described in my earlier issued U.S. Pat. Nos. 3,534,875; 4,144,963; 4,691,819; 4,856,645; 4,966,275; 5,263,573; and 6,513,648. These patents are made part of this application by reference.
- The hydraulic fluid
pressure drive cylinders control system 58 are located in the front end portion of thegarbage truck container 18,adjacent front wall 22, and are shielded from incoming garbage at the infeed side opening 26, by a combination garbage shield andgarbage pusher 60 which extends the full width offloor 20 and is secured byanchors 62 to the horizontal bottom portions to theslat 38 of each group of slats. Thesloping section 64 shields against incoming garbage encroaching upon the drive mechanism, and the vertical leadingpusher section 66 serves to pack and push garbage toward therear door 24 as the floor slats are moved in that direction, as explained hereinafter. - The
vertical trailing section 68 serves to engage and abut thefront wall 22 when the conveyor slats are fully retracted, to close the front area of the slats and drive mechanism from incoming garbage. It is slat 38 of each slat group that is operated bycontrol system 58 to be moved in the outfeed direction toward therear door 24 whileslats slats 38. Advancing movement of all three slats provides maximum pushing power for movement of garbage toward and through the opening of therear door 24. - Operation of the system described hereinbefore is as follows:
- In the loading operation, garbage is picked up at the various sites of
garbage cans 28, where each can is grasped by thehydraulic lifter 30 and lifted upward and inward through the side opening 26 as it is upended to deposit its content of garbage into thedump truck container 18, onto thesloping section 64 of the combination shield andpusher 60. The reciprocatingconveyor slats control system 58 to moveslats rear door 24, moving the garbage on the conveyor slats with them. - When the conveyor slats reach the end of the outfeeding stroke of all three
hydraulic cylinders control system 58 operates to stop the movement ofslats 38 and to initiate rearward, retracting movement of one of theslats 34 of each group of slats, at a higher rate of speed, to its fully retracted position, and then initiates retraction of the other group ofslats 36, also at the higher rate of speed, to their fully retracted position. Finally,slats 38 of all groups of slats are retracted, to complete full retraction of all slats. - This sequence of operation of the three groups of slats effectively returns all slats to their newly advanced starting positions. By retracting only one slat of each group at a time, the load of garbage does not move rearward because the load rests upon two of the three slats of each group that are not moving at all. Thus, the cycle of operation of the slats is completed and the next cycle of operation is initiated by movement of all three slats of each group in the direction in which the garbage is moved toward the
rear door 24. Continued operation of the three slats of each group results in moving garbage continuously toward the rear door until thecontainer 18 has been filled with compacted garbage, as suggested by the broken lines inFIG. 4 . The load of garbage then is taken to a disposal site where therear door 24 is opened and the reciprocating conveyor is operated on the continuous cycle disclosed above, to discharge the garbage from the truck. - In the unloading operation, the
conveyor slats rear door 24 simultaneously to move the garbage in the off-loading direction. Each time theslat 38 of each group of slats is moved in the off-loading direction, the shield andpusher member 60 is moved with it, whereby thevertical section 66 effects moving the garbage toward therear door 24. Continued operation of the system effects movement of the garbage from the accumulated condition illustrated in broken lines inFIG. 4 , outward through the openedrear door 24, from whence it is deposited at the disposal site. - The embodiment illustrated in
FIGS. 6 and 7 discloses a modification of the combination garbage shield andgarbage pusher 60 of the first embodiment, in the form of aseparate end segment 70, to eliminate the possibility of garbage entering the space under the shield and pusher 60 through the gap between thefront wall 22 and the trailing section 68 (FIG. 4 ). Thus, thesloping section 64 registers with slopingsection 72 ofseparate end segment 70. Thesection 72 terminates invertical end section 74. Thesection 72 also merges with horizontallower section 76 extending from the lower end ofsloping section 72. Theend section 74 and free end ofsection 76 are configured to be secured, as by welding, bolts, screws, etc., to thefront wall 22. - When the shield and
pusher 60 is in fully retracted position, with trailingsection 64′ abuttingfront wall 22, thesloping sections horizontal section 76 is disposed parallel to and above thehorizontal extension 64′ of sloping section 64 (FIG. 6 ). Aflexible sealing member 78 extends the full width of thecontainer 18 and is secured adjacent the juncture ofsections member 78 extends into sliding engagement withhorizontal extension 64′ to preserve the seal during movement of the shield andpusher 60 with theconveyor slats 38. A load-trappingmember 80 projects from the upper end ofload pusher section 66 to maximize the accumulation of garbage against thesection 66. - It will be apparent to those skilled in the art that various changes and modifications of the systems described hereinbefore may be made without departing from the spirit of this invention and the scope of the appended claims. For example, the systems may be used to move a variety of types of particulate material from any starting location to any final position.
Claims (10)
Priority Applications (2)
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US11/821,187 US8123454B2 (en) | 2007-06-21 | 2007-06-21 | Garbage truck and self-contained loading and unloading system therefor |
US13/396,593 US8827624B2 (en) | 2007-06-21 | 2012-02-14 | Particulate material loading and unloading system |
Applications Claiming Priority (1)
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US11/821,187 US8123454B2 (en) | 2007-06-21 | 2007-06-21 | Garbage truck and self-contained loading and unloading system therefor |
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US13/396,593 Active 2027-07-11 US8827624B2 (en) | 2007-06-21 | 2012-02-14 | Particulate material loading and unloading system |
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CN104925434A (en) * | 2015-05-21 | 2015-09-23 | 白景魁 | Garbage self-loading and unloading automobile |
CN105197487A (en) * | 2015-10-29 | 2015-12-30 | 长沙奥佳信息科技有限公司 | Sanitary garbage truck convenient for loading and transportation |
US20170361330A1 (en) * | 2016-06-15 | 2017-12-21 | John Forrest Smith | Mobile Size Reduction Device |
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USD932563S1 (en) * | 2018-12-27 | 2021-10-05 | Shantou P&C Plastic Products Company Limited | Toy garbage truck |
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US9981803B2 (en) * | 2015-10-30 | 2018-05-29 | Oshkosh Corporation | Refuse vehicle with multi-section refuse ejector |
US10059527B1 (en) | 2016-02-04 | 2018-08-28 | Hallco Industries, Inc. | Raised reciprocating slat-type conveyor with floor pan |
US9897113B2 (en) | 2016-05-02 | 2018-02-20 | Hallco Industries, Inc. | Switching valve control system |
US11999562B2 (en) * | 2019-05-03 | 2024-06-04 | Oshkosh Corporation | Front and side loading packers for electric refuse vehicle |
US11713196B1 (en) | 2020-04-17 | 2023-08-01 | Hallco Industries, Inc. | Structure and method for mounting a conveyor drive system inside a load holding compartment |
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US8123454B2 (en) | 2012-02-28 |
US20120141240A1 (en) | 2012-06-07 |
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